The morphology and chemical composition of platinum coatings deposited by magnetron-ion sputtering of a platinum target in various modes (stationary, pulsed), and air spraying of platinum black on titanium supporting foils were studied. Metallic platinum subjected to ionic purification was used ...

Using platinum chloride, sodium hydroxide, sodium acetate, and polyvinylpyrrolidone as starting materials, platinum dioxide nanoparticles with small particle diameter and narrow distribution were prepared by microwave irradiation and conventional heating, respectively. UV–vis spectrophotometer ...

Using isopropanol as an in situ hydrogen donor, catalytic transfer hydrogenolysis of lignin into monomeric phenols was studied at mild conditions. The performance of catalysts and the effects of H2, temperature, and time on depolymerization of acid extracted birch lignin (ABL) were extensively e...

To better platinum's (Pt’s) electro-catalytic activity for oxidizing methanol, nano-flowers structured Pt catalysts with controlled facet had been planted onto titanium dioxide nanotube array (TNA) bed via a pulse electrodepositing method in an acid electrolyte containing chloroplatinic ac...

A novel and simple approach to preparing hierarchical zinc oxide/reduced graphene oxide (ZnO/[email protected]) composite is demonstrated using few-layered graphene oxide (GO) and metal zinc as starting materials following combined processes, including in-situ metal zinc reduction and catalyzed ...

In order to studies the effects of solvent and concentration of initial reagents on formation of [Tl(μ4-AB)]n (1), [HAB = 4-aminobenzoic acid] coordination polymer, some experiments were designed and four samples of 1 were synthesized by sonochemical process. High concentration of initial reage...

Thallium (Tl) removal from wastewater using a ferrous iron-persulfate (Fe2+-S2O82−) Fenton-like system was investigated. Factors influencing Tl removal, namely S2O82− dosage, Fe2+/S2O82 molar ratio, reaction pH, coagulation pH, co-existing metal ions, co-existing organic matter, and initial Tl c...

In order to study the effects of solvent and ultrasonic irradiation on formation of [Tl(HTar)]n (1) and/or [Tl2(Tar)]n (2), [H2Tar = (+)-tartaric acid] supramolecular polymers, we designed some experiments and synthesized four samples of 1 under the reaction of H2Tar and TlNO3 by sonochemical pr...

An aerated electrochemical reactor (AER) employing single-chamber microbial fuel cells (MFCs) as renewable power sources is proposed for Tl(I) removal in groundwater. 80.5% of Tl(I) is oxidized to Tl(III) after 4 h electrolysis with initial Tl(I) concentration of 5 mg L−1, pH of 2.0, and applied...

Thallium (Tl) is a highly toxic element whose occurrence is widespread in soil and groundwater. The present study investigates the oxidation of Tl(I) with boron-doped diamond (BDD) anode in an electrochemical system, compared with PbO2 and carbon felt materials. Under initial conditions of Tl(I)...

Pollution of highly toxic thallium (Tl) attracts worldwide attention and development of promising removal technologies will be of strong interest. Herein, spontaneous Tl(I) oxidation was realized with electricity generation in microbial fuel cells (MFCs). Over 67.2 ± 2.3% of Tl(I) was removed d...

We report the effect of strontium doping on third-order nonlinear optical properties of tin oxide (SnO2) thin films grown via chemical spray pyrolysis technique. The X-ray diffraction (XRD) results reveal that films exhibit a polycrystalline phase with a tetragonal crystal structure. The broaden...

Owing to large specific surface area and high electrical conductivity, nanostructured electrodes exhibit improved electrochemical activity for supercapacitor applications. In the present study, structure and morphology of hydrothermally synthesized strontium sulfide and graphene oxide based Stro...

BackgroundCorrectly distinguishing preeclampsia (PE), gestational hypertension (GH), and intrauterine growth retardation (IUGR) is a challenge for clinicians due to existing similarities. In our previous study, we showed that serum strontium (Sr) levels were elevated in preeclamptic women compar...

We have reported the synthesis of core-shell nanostructure of mesoporous silica coated lanthanum strontium manganese oxide nanoparticles (MSLN) as a potential candidate for cancer treatment via magnetic hyperthermia. N2 adsorption-desorption isotherm revealed that mesoporous silica shell coating...

Surface chemistry and topography can determinatively affect the osseointegration of dental implants. Strontium (Sr) has a significant effect on the promotion of bone formation and inhibitation of bone resorption. The emphasis of this study lies on the evaluation of a new surface treatment that a...

A membrane reactor containing an immobilized heterogeneous catalyst is an alternative for traditional homogeneous-based catalyzed transesterification for biodiesel production. Major problems in homogeneous catalysis are related to catalyst recuperation and soap formation, which can be overcome b...

BackgroundPregnancy brings about metabolic and oxidative changes that involve various trace elements and oxidative stress. Strontium (Sr) is a trace element scarcely studied in this context, although it has been suggested that it may play a role in the pathophysiology of preeclampsia. The main a...

Novel palladium complexes composed of palladium and a conjugated ligand (imine–aldehyde) were immobilized on graphene oxide. The developed catalyst was characterized by XPS, and TEM. The novel catalyst was proven to be highly efficient for the Suzuki-Miyaura coupling reaction of aryl halides (B...

Recent progress in carbon–carbon cross-coupling reactions has resulted in the discovery of highly active catalysts for carrying out such transformations. However, due to the wide array of applications of the products from cross-coupling reactions, there is the need to design suitable catalysts ...